Asteroids

2017BQ6 help

Last update: 2025-03-29 00:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.914

Aphelion (Q)

2.981

Eccentricity (e)

0.531

Inclination (i)

9.0

deg

Orbit period (P)

992.3

Earth MOID

0.01240

U parameter

4.0

Next Earth close approach

Date

2036-03-02

Nominal distance (from Earth center)

0.10895

16298684

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

21.5

mag

Diameter

140 - 300*

Taxonomic type

Rotation period (T)

2.150

Discovery Information

Discovery Date

2017-01-26

Observatory

Space Surveillance Telescope, Atom Site

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.947037

1-sigma variation

0.000005

Unit

Eccentricity (e)

Value

0.530790

1-sigma variation

0.000001

Unit

Inclination (i)

Value

8.9990

1-sigma variation

1.156E-5

Unit

Long. of Ascending Node (Ω)

Value

132.9540

1-sigma variation

5.372E-6

Unit

Arg. of Perihelion (ω)

Value

43.5806

1-sigma variation

2.180E-5

Unit

Mean Anomaly (M)

Value

1.19987

1-sigma variation

0.00462

Unit

Perihelion distance

Value

0.913570

1-sigma variation

Unit

Aphelion distance

Value

2.980504

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.024351

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.257601

1-sigma variation

Unit

MOID

Value

0.012398

1-sigma variation

Unit

Orbit Period

Value

992.3381

1-sigma variation

Unit

U parameter

Value

4.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.95529E-11	8.01653E-12	5.23426E-11	1.96550E-11	9.19243E-13	-2.50962E-8
e	8.01653E-12	2.17677E-12	1.41895E-11	5.35029E-12	1.24973E-12	-6.80780E-9
i	5.23426E-11	1.41895E-11	1.33583E-10	5.77162E-11	-1.95752E-11	-4.44500E-8
Ω	1.96550E-11	5.35029E-12	5.77162E-11	2.88531E-11	-5.29742E-12	-1.66932E-8
ω	9.19243E-13	1.24973E-12	-1.95752E-11	-5.29742E-12	4.75049E-10	-8.69337E-10
M	-2.50962E-8	-6.80780E-9	-4.44500E-8	-1.66932E-8	-8.69337E-10	2.13116E-5

Date of computation: 2025-03-29 00:36 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

2.150

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.38

Unit

mag

Source

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

21.467

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[3]

Diameter

Value

140 - 300*

Unit

Source

[3]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Vaduvescu, O.; Aznar Macias, A.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	Estimation	Estimated from absolute magnitude
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

130

Unit

Source

[1]

Unobserved

Value

2899

Unit

Source

[1]

Normalized RMS of residuals

Value

0.433719

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-01-26.34881

Unit

Source

[2]

Last Observation

Value

2017-06-05.44492

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

224 (0)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2017-02-06

Unit

Source

[3]

Last Observation

Value

2017-02-07

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

5 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2017BQ6 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1952-01-28 01:34	106.4	0.0895147	0.0867621	0.0009176
EARTH	1979-05-04 18:53	116.3	0.1678231	0.1671992	0.0002115
2 Pallas	1994-04-14 19:51	22.2	0.0165527	0.0160238	0.0001777
EARTH	1998-03-05 02:59	183.0	0.1156823	0.1148631	0.0002732
EARTH	2017-02-07 06:34	< 1 s	0.0168587	0.0168587	0.0000000
EARTH	2036-03-02 19:17	178.0	0.1089500	0.1080670	0.0002944
2 Pallas	2040-05-30 22:52	22.3	0.0157591	0.0153843	0.0001279
EARTH	2055-04-30 05:51	158.5	0.1574948	0.1572283	0.0000928
EARTH	2085-01-24 15:06	112.3	0.1386346	0.1351110	0.0011746
EARTH	2104-02-13 04:33	103.6	0.0377486	0.0365761	0.0003921
EARTH	2123-05-11 09:33	259.8	0.1705656	0.1685408	0.0006987

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.39608339	34.03041982	0.01239847	MINIMUM
2.18925325	256.89077243	1.91453775	SADDLE
181.04984180	254.83103022	1.98516549	SADDLE
180.19712318	74.35573045	3.97153210	MAXIMUM

Download:

MOID Plots

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